Hassock



FIG. 1 is a perspective view of hassock showing my design;

FIG. 2 is a front elevation view thereof, the back elevation view, the right elevation side view, and the left elevation side view all being identical;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for hassock, as shown and described. 